Avoid some autoreconf -Wall warnings.
* configure.ac: Use proper quoting, to be a good example.
(PACKAGE_NAME): Remove setting covered by autoconf.
(AM_INIT_AUTOMAKE): Bump automake requirement, for html rules.
* doc/Makefile.am (TEXI2DVI): Remove settings covered by
automake.
(html, autoconf_1.html, standards_1.html): Likewise.
(TEXI2HTML, TEXI2HTML_FLAGS): Remove unused macros.
* Makefile.am (html): Likewise.
* doc/autoconf.texi (Quoting and Parameters): Add missing section
name.
* tests/Makefile.am (AUTOMAKE_OPTIONS): Intentionally ignore
warning about our override, until Automake is fixed.
* README-hacking: Document minimum requirements for bootstrap.
Signed-off-by: Eric Blake <ebb9@byu.net>